1.5 X 4 X 2 Mm Ball Bearing Shielded Miniature Durable 52100 Chrome Steel With Dual Metal Shields For Dust Protection Ideal For Precision Machines And Hobby Projects

1.5x4x2mm Shielded Mini Ball Bearing - single unit
✔️ 1.5mm bore, 4mm OD, 2mm width; 52100 chrome steel, ZZ shields

This compact shielded miniature ball bearing is designed for micro-mechanical use, providing reliable motion in tight spaces. Commonly used in electronics housings, cameras, drones, robotics, and model-making projects where small size matters.

✅ Inner diameter: 1.5 mm, outer diameter: 4 mm, width: 2 mm
✅ Material: 52100 alloy steel (chrome steel)
✅ Shielding: double metal shields (ZZ) for dust protection
✅ Pre-lubricated for immediate use
✅ Quantity: 1 bearing per pack

💡 What is a shielded miniature ball bearing used for in micro assemblies? This handy part helps reduce friction and protect components in tight spaces.
- Handy for micro electronics and cameras
- Great for drones and model gear trains needing smooth motion
- Protects sensitive components in compact housings
- Ideal for hobbyists building tiny mechanical kits